Finding the Fourth Proportional to 1,956.07, 2,932.71 and 915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.07 : 2,932.71 = 915.50 : x
2. Step 2: Convert to fraction form
   1,956.07/2,932.71 = 915.50/x
3. Step 3: Cross multiply
   1,956.07x = 2,932.71 × 915.50
4. Step 4: Simplify right side
   1,956.07x = 2,684,911.02
5. Step 5: Solve for x
   x = 2,684,911.02/1,956.07
6. Step 6: Final answer
   x = 1,372.60